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FusionCloud 6.3.1.1 Solution Description 04

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Implementation Principles

Implementation Principles

Logical Architecture

Figure 23-2 shows the logical architecture of CSBS.

Figure 23-2 Logical architecture of CSBS
Table 23-1 Component details

Type

Name

Description

Console layer

LVS

Provides level-1 load balancing.

Nginx

Provides level-2 load balancing.

CSBS Console

CSBS management console.

API/Service layer

Karbor

CSBS server, which receives requests from the CSBS management console and invokes the eBackup Manager & Workflow components.

eBackup Manager & Workflow

CSBS server, which receives Karbor requests and invokes FusionSphere OpenStack.

Resource pool

Cinder

A FusionSphere OpenStack component, which receives requests from eBackup Manager & Workflow and invokes Cinder Driver.

Cinder Driver

A FusionSphere OpenStack component, which receives Cinder requests and creates volume snapshots on storage devices.

eBackup Driver

A plug-in provided by CSBS and installed on FusionSphere OpenStack, which receives Cinder Driver requests and invokes eBackup Server & Proxy.

eBackup Server & Proxy

CSBS server, which receives Cinder Driver requests and backs up data from the production storage to the backup storage.

Infrastructure

Production storage

The production storage and eBackup Server&Proxy must be deployed in the same data center.

The network latency between the production storage and eBackup Server&Proxy is fewer than 2 ms.

Backup storage

The backup storage and production storage can be deployed in the same data center or in different data centers.

The network quality requirements for level-1 backup storage and eBackup Server&Proxy are as follows:
  • NAS: Network latency ≤ 2 ms
  • Object storage: Network latency ≤ 20 ms
The network quality requirements for level-2 backup storage and eBackup Server&Proxy are as follows:
  • NAS: Network latency ≤ 2 ms
  • Object storage: Network latency ≤ 20 ms (protocol acceleration disabled) or network latency ≤ 200 ms (protocol acceleration enabled).

Public Components

API Gateway

Third-party applications call CSBS APIs through API Gateway.

SDR

Provides the resource metering and billing function.

DNS/NTP

Provides domain name resolution and time synchronization.

TaskCenter

Displays the task status.

Operation Management

IAM

Provides the unified identity authentication service.

Metering

Provides the resource metering and billing function using SDR.

O&M Management

ManageOne OM plane

The ManageOne OM plane provides unified O&M capabilities for virtual and physical resources, improving O&M efficiency.

Service Flow

Figure 23-3 shows the service flow of CSBS.

Figure 23-3 Service flow of CSBS
  1. The system delivers a backup job on CSBS Console.
  2. Karbor delivers the backup job to eBackup Manager & Workflow.
  3. The eBackup Manager & Workflow invoke a Nova API to obtain the ECS metadata.
  4. The eBackup Manager & Workflow deliver a snapshot creation command and a backup command to Cinder.
  5. Cinder delivers a snapshot creation command to Cinder Driver.
  6. Cinder Driver schedules the job automatically and creates a backup snapshot on the production storage.
  7. Cinder delivers a backup command to eBackup Driver.
  8. The eBackup Driver delivers the backup job to the specific eBackup Server & Proxy, and then eBackup Server & Proxy automatically back up the production data to the backup storage.
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Updated: 2019-10-23

Document ID: EDOC1100063247

Views: 67100

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